PAT甲级1116 Come on! Let‘s C (20分)|C++实现
PAT甲级1117 Eddington Number (25分)|C++实现
PAT甲级1118 Birds in Forest (25分)|C++实现
PAT甲级1119 Pre- and Post-order Traversals (30分)|C++实现
PAT甲级1120 Friend Numbers (20分)|C++实现